... : Mild (low carbon) steel or stainless steel Style:plain,serrated,I-shape,serrated-I shapeProcess: Steel grating mesh is made by Q235 ... dip galvanized, painted, spray coating 6Grating StylePlain / Smooth, Serrated /teeth, I bar, serrated I bar 7StandardChina: YB/T 4001.1-2007, USA ...